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Ceramic Plain Bearings Sic Ceramic Balls , Higher rigidity Lower Rupture Toughness

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Ceramic Plain Bearings Sic Ceramic Balls , Higher rigidity Lower Rupture Toughness

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Brand Name : TOB Ceramic Bearings

Certification : ISO 16949

Place of Origin : China

MOQ : negotiated

Price : negotiated

Payment Terms : T/T

Supply Ability : negotiated

Delivery Time : negotiated

Packaging Details : Cartons or Pallets

Material : Sic Ceramic

Density : 3.2 g/cm3

Grad : G5-G200

HV Hardness : 2400 HRC

Coefficient of expansion : 4.0 10^-6/℃

The highest temperature : 800℃

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Sic Ceramic Ball

The density of Sic Ceramic Ball is 3.2g/cm3 and it’s the same as Si3N4 ball, at 1400℃, the intension and rigidity almost couldn’t be changed. Sic Ceramic Ball has the self-lubrication that can solve the pollution of lubricate medium. Comparing with Si3N4, Sic Ceramic Ball has higher rigidity, lower anti-press strength and lower rupture toughness.

Staple Material and Manufacturing Presision
　 Ceramic Balls Plastic balls Glass Balls Stainless Balls
meterial Zr02,Si3N4,SiC,Al2O3 POM,PE,PP,PA,UPE,PEEK GLASS 440C,304,316,316L
grad G5-G200 G100-G1000 G100-G1000 G10-G200

Staple size of the balls
Size(inch) Size(mm) 　 Size(inch) Size(mm)
　 1.5 　 1/16" 1.588
　 2 　 3/32 2.381
1/8" 3.175 　 5/32" 3.969
3/16" 4.763 　 7/32" 5.556
1/4" 6.35 　 17/64" 6.747
　 7 　 9/32" 7.144
5/16" 7.938 　 11/32" 8.731
3/8" 9.525 　 13/32" 10.319
7/16" 11.112 　 29/64" 11.509
15/32" 11.906 　 　 12
31/64" 12.303 　 1/2" 12.7
17/32" 13.494 　 　 14
9/16" 14.288 　 19/32" 15.081
5/8" 15.875 　 21/32" 16.669
11/16" 17.463 　 23/32" 18.256
3/4" 19.05 　 25/32" 19.844
　 20 　 13/16" 20.638
7/8" 22.225 　 15/16" 23.812
1" 25.4 　 1-1/16" 26.988
1-1/8" 28.575 　 1-3/16" 30.163
1-1/4" 31.75 　 1-3/8" 34.925
　 35 　 1-1/2" 38.1
1-5/8" 41.275 　 1-11/16" 42.863
1-7/8" 47.625 　 2" 50.8

Tolerance and surface roughness of the balls
Grade Variation of ball diameter Deviation from ( △ Sph) Surface roughness spherical from(Ra)
not over μ m
3 0.08 0.08 0.012
5 0.13 0.13 0.02
10 0.25 0.25 0.025
16 0.4 0.4 0.032
20 0.5 0.5 0.04
28 0.7 0.7 0.05
40 1 1 0.08
60 1.5 1.5 0.1
100 2.5 2.5 0.125
200 5 5 0.2

Ceramic Plain Bearings Sic Ceramic Balls , Higher rigidity Lower Rupture Toughness


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